Failure in spec/lib/gitlab/conflict/file_spec.rb | Gitlab::Conflict::File#sections adds unique IDs to conflict sections, and not to other sections
### Test metadata (don't modify)
| Field | Value |
| ------ | ------ |
| File URL | [`spec/lib/gitlab/conflict/file_spec.rb#L201`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/spec/lib/gitlab/conflict/file_spec.rb#L201) |
| Filename | `spec/lib/gitlab/conflict/file_spec.rb` |
| Description | `Gitlab::Conflict::File#sections adds unique IDs to conflict sections, and not to other sections` |
| Test level | unit |
| Hash | `ecad00de2243fb031aaacccb10b2b8fb5b731b78a` |
| Duration | 1.12 seconds |
| Expected duration | < 27.12 seconds |
### Stack trace
```
Failure/Error: stub(service, storage).__send__(rpc, request, kwargs) # rubocop:disable GitlabSecurity/PublicSend
GRPC::Internal:
13:creating repository: cloning bundle: create temp bundle: write /builds/gitlab-org/gitlab/tmp/tests/repositories/+gitaly/tmp/repo765978991/repo.bundle: no space left on device. debug_error_string:{UNKNOWN:Error received from peer unix:tmp/tests/gitaly/praefect.socket {grpc_message:"creating repository: cloning bundle: create temp bundle: write /builds/gitlab-org/gitlab/tmp/tests/repositories/+gitaly/tmp/repo765978991/repo.bundle: no space left on device", grpc_status:13, created_time:"2023-12-15T17:25:09.011659603+00:00"}}
```
### Reports (1)
1. 2023-12-15: https://gitlab.com/gitlab-org/gitlab/-/jobs/5763330637 (https://gitlab.com/gitlab-org/gitlab/-/pipelines/1108644780)
issue